ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Mon Oct 19 10:53:31 2020 +0200| [7c144b363e67bef7651108c88687b38155172c1f] | committer: Michael Niedermayer
avformat/nistspheredec: Check bps Fixes: left shift of 1111111190 by 3 places cannot be represented in type 'int' Fixes: 26437/clusterfuzz-testcase-minimized-ffmpeg_dem_NISTSPHERE_fuzzer-4886896091856896 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7c144b363e67bef7651108c88687b38155172c1f --- libavformat/nistspheredec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/nistspheredec.c b/libavformat/nistspheredec.c index 3ef3843d5e..079369929f 100644 --- a/libavformat/nistspheredec.c +++ b/libavformat/nistspheredec.c @@ -109,6 +109,8 @@ static int nist_read_header(AVFormatContext *s) sscanf(buffer, "%*s %*s %"SCNd64, &st->duration); } else if (!memcmp(buffer, "sample_n_bytes", 14)) { sscanf(buffer, "%*s %*s %d", &bps); + if (bps > INT_MAX/8U) + return AVERROR_INVALIDDATA; } else if (!memcmp(buffer, "sample_rate", 11)) { sscanf(buffer, "%*s %*s %d", &st->codecpar->sample_rate); } else if (!memcmp(buffer, "sample_sig_bits", 15)) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
